19002053

素因数分解:

$7^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1$

素因数の和:321

約数の個数: 24

約数和(自身を含む): 23288832

約数和(自身を除く): 4286779

約数列:

[1, 7, 37, 47, 49, 223, 259, 329, 1561, 1739, 1813, 2303, 8251, 10481, 10927, 12173, 57757, 73367, 85211, 387797, 404299, 513569, 2714579, 19002053]

約数ペア:

[(1, 19002053), (7, 2714579), (37, 513569), (47, 404299), (49, 387797), (223, 85211), (259, 73367), (329, 57757), (1561, 12173), (1739, 10927), (1813, 10481), (2303, 8251)]